The incident happened at 3:33 a.m. Monday in the 2800 block of Cedar Street.
Police say the two suspects are seen walking down the street, apparently checking the doors of parked vehicle.
One suspect finds an unlocked car and goes into the vehicle while the other suspect acts as a lookout.
The first suspect then gets out of the car before the vehicle goes up in flames.
The suspects are described by police as:
Suspect #1: White male with dark colored hair. He was wearing a white t-shirt with light colored shorts and appears to have tattoos on his right arm.
Suspect #2: White male with light brown or blonde hair. He was wearing a light colored t-shirt and dark colored shorts.
Anyone with information is asked to contact Philadelphia Police at 215-686-TIPS (8477), text a tip to PPD TIP (773847) or through PhillyPolice.com.